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BOSTON MARATHON 2025

Kayla Duval

MA

Bib: 27380 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
11:15/mi
34:57
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
11:06/mi
1:09:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:31/mi
1:45:12
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
12:25/mi
2:23:46
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
12:07/mi
2:32:02
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
14:20/mi
3:06:46
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:46/mi
3:52:40
↑ 181↓ 1480.2%
138 ft elev
20M
14:21/mi
4:12:10
↑ 64↓ 500.2%
148 ft elev
21M
14:54/mi
4:27:04
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
15:05/mi
4:38:21
↑ 17↓ 861.7%
156 ft elev
23M
14:11/mi
4:56:07
↑ 23↓ 630.6%
116 ft elev
24M
14:06/mi
5:10:13
↓ 821.3%
34 ft elev
40K· 24.85 mi
13:55/mi
5:22:07
↓ 200.3%
20 ft elev
25.2M
14:30/mi
5:27:07
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:46/mi
5:39:06
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:02
Pace11:36 /mi
2nd Half
Distance13.11 mi
Time3:07:04
Pace14:16 /mi
📊Positive Split: 23.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5534:5711:1534:57
11:15
-
10K
6.21 mi12:25:241:09:2611:1034:29
11:06
-0:09
15K
9.32 mi13:01:101:45:1211:1735:46
11:31
+0:25
20K
12.43 mi13:39:442:23:4611:3438:34
12:25
+0:54
Half
13.11 mi13:48:002:32:0211:368:16
12:07
-0:18
25K
15.53 mi14:22:443:06:4612:0134:44
14:20
+2:13
30K
18.64 mi15:08:383:52:4012:2945:54
14:46
+0:26
20M
20.00 mi15:28:084:12:1012:3619:30
14:21
-0:25
21M
21.00 mi15:43:024:27:0412:4314:54
14:54
+0:33
35K
21.75 mi15:54:194:38:2112:4811:17
15:05
+0:11
23M
23.00 mi16:12:054:56:0712:5217:46
14:11
-0:54
24M
24.00 mi16:26:115:10:1312:5614:06
14:06
-0:05
40K
24.85 mi16:38:055:22:0712:5811:54
13:55
-0:11
25.2M
25.20 mi16:43:055:27:0712:595:00
14:30
+0:35
Finish
26.22 mi16:55:045:39:0612:5711:59
11:46
-2:44

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

11:06 /mi

Average Pace

12:57 /mi

Slowest Pace

15:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:01

48% of race

Time at Steady Pace

2:28:54

44% of race

Time at Slower Pace

26:11

8% of race

Average Pace: 12:56 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:50:5534:5711:1534:57
11:15
#27806
10K
6.21 mi12:25:241:09:2611:1034:29
11:06
#27509
15K
9.32 mi13:01:101:45:1211:1735:46
11:31
#27420
20K
12.43 mi13:39:442:23:4611:3438:34
12:25
#27440
Half
13.11 mi13:48:002:32:0211:368:16
12:07
#27461
25K
15.53 mi14:22:443:06:4612:0134:44
14:20
#27618
30K
18.64 mi15:08:383:52:4012:2945:54
14:46
#27716
20M
20.00 mi15:28:084:12:1012:3619:30
14:21
#27700
21M
21.00 mi15:43:024:27:0412:4314:54
14:54
#27693
35K
21.75 mi15:54:194:38:2112:4811:17
15:05
#27724
23M
23.00 mi16:12:054:56:0712:5217:46
14:11
#27739
24M
24.00 mi16:26:115:10:1312:5614:06
14:06
#27754
40K
24.85 mi16:38:055:22:0712:5811:54
13:55
#27739
25.2M
25.20 mi16:43:055:27:0712:595:00
14:30
#27732
Finish
26.22 mi16:55:045:39:0612:5711:59
11:46
#27708
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27806118341183427238(Top 96%)11513(Top 94%)11513(Top 211%)
10K6.21 mi3.10 mi27509+29711649+18511649+18527191(Top 96%)11478(Top 94%)11478(Top 210%)
15K9.32 mi3.11 mi27420+8911604+4511604+4527238(Top 96%)11513(Top 94%)11513(Top 211%)
20K12.43 mi3.11 mi27440-2011624-2011624-2027457(Top 97%)11677(Top 95%)11677(Top 214%)
Half13.11 mi0.68 mi27461-2111636-1211636-1227531(Top 97%)11731(Top 96%)11731(Top 214%)
25K15.53 mi2.42 mi27618-15711745-10911745-10928034(Top 99%)12032(Top 98%)12032(Top 220%)
30K18.64 mi3.11 mi27716-9811816-7111816-7127932(Top 98%)12019(Top 98%)12019(Top 220%)
20M20.00 mi1.36 mi27700+1611823-711823-727542(Top 97%)11844(Top 97%)11844(Top 217%)
21M21.00 mi1.00 mi27693+711819+411819+427063(Top 95%)11598(Top 95%)11598(Top 212%)
35K21.75 mi0.75 mi27724-3111840-2111840-2128081(Top 99%)12109(Top 99%)12109(Top 221%)
23M23.00 mi1.25 mi27739-1511855-1511855-1527464(Top 97%)11834(Top 97%)11834(Top 216%)
24M24.00 mi1.00 mi27754-1511868-1311868-1327705(Top 98%)11988(Top 98%)11988(Top 219%)
40K24.85 mi0.85 mi27739+15118681186827104(Top 95%)11700(Top 96%)11700(Top 214%)
25.2M25.20 mi0.35 mi27732+711866+211866+226731(Top 94%)11536(Top 94%)11536(Top 211%)
Finish26.22 mi1.02 mi27708+2411860+611860+626485(Top 93%)11383(Top 93%)11383(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27238

Females

11513

F18-39

11513

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27191

Females

11478

F18-39

11478

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27238

Females

11513

F18-39

11513

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

27457

Females

11677

F18-39

11677

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27531

Females

11731

F18-39

11731

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28034

Females

12032

F18-39

12032

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27932

Females

12019

F18-39

12019

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27542

Females

11844

F18-39

11844

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

27063

Females

11598

F18-39

11598

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

28081

Females

12109

F18-39

12109

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27464

Females

11834

F18-39

11834

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27705

Females

11988

F18-39

11988

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

27104

Females

11700

F18-39

11700

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26731

Females

11536

F18-39

11536

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26485

Females

11383

F18-39

11383

Passing Analysis

Category:
Athletes Passed
730
Passed By
632
Net Change
+98
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27806
5K → 10K31316+297#27806#27509
10K → 15K13849+89#27509#27420
15K → 20K6888-20#27420#27440
20K → Half1233-21#27440#27461
Half → 25K22179-157#27461#27618
25K → 30K21119-98#27618#27716
30K → 20M4327+16#27716#27700
20M → 21M2518+7#27700#27693
21M → 35K132-31#27693#27724
35K → 23M1934-15#27724#27739
23M → 24M924-15#27739#27754
24M → 40K238+15#27754#27739
40K → 25.2M70+7#27739#27732
25.2M → Finish295+24#27732#27708
TOTALS730632+98
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing